The Jersey Flegg Cup competition was first run in 1961 and ended in 2007 when the National Youth Competition was introduced. The competition was re-introduced in 2018. These records (apart from Jersey Flegg Titles) are from that season onward.

Jersey Flegg Titles: 1 – 2005

Most Games for the Club
39 Sam McCann (2018-2019)
38 Matthew Delbanco (2018-2019)
35 Hayden Budd (2021-2022)
33 Matthew Nicholson (2018-2019, 2021)
32 Luke Gale (2018-2019)
29 Hudson Spicer (2019-2021)
27 Dallas Collins (2020-2022)
27 Bailey Dickinson (2018-2019)
27 Sam Hooper (2021-2022)
27 Ben Johnson (2021-2022)
27 Shaun Sauni-Esau (2018-2019)
27 Braxton Wallace (2020-2022)

Most Tries in a Match
4
Treigh Stewart v Manly, 4 Pines Park – Rd 6, 2022. St George Illawarra won 48-28.
3 Hayden Budd v Victoria, Ziems Park – Rd 23, 2022. St George Illawarra won 50-10.
3
Jason Saab v Manly, Michael Cronin Oval – Rd 6, 2019. St George Illawarra won 50-0.
Shaun Sauni-Esau v South Sydney, Metricon High Performance Centre – Rd 2, 2019. St George Illawarra drew 28-28.
3 Dylan Morris v Parramatta, ANZ Stadium – Rd 22, 2018. St George Illawarra lost 16-34.
3 Tristan Sailor v Sydney, Allianz Stadium – Rd 20, 2018. St George Illawarra lost 24-32.
3 Jason Gillard v Newcastle, Cessnock Sportsground – Rd 12, 2018. St George Illawarra lost 32-36.

Most Tries in a Season
18 
Cody Ramsey in 21 games, 2019
14 Sam McCann in 21 games, 2019
12 Ben Johnson in 20 games, 2022
11 Jason Gillard in 18 games, 2018
11 Blair Grant in 21 games, 2019

Most Tries for the Club
18 Cody Ramsey in 21 games
17 Sam McCann in 39 games
15 Ben Johnson in 27 games
15 Treigh Stewart in 22 games
13 Shaun Sauni-Esau in 27 games

Most Points in a Season
157 
Blair Grant in 21 games, 2019 (11T, 56G, 1FG)
133 Jackson Willis in 17 games, 2018 (8T, 50G, 1FG)
110 Sam Hooper in 19 games, 2022 (3T, 49G)
74 Luke Gale in 15 games, 2019 (7T, 23G)
72 Cody Ramsey in 21 games, 2019 (18T)

Most Points in a Match
20
Treigh Stewart (4T, 2G) v Manly, 4 Pines Park – Rd 6, 2022. St George Illawarra on 48-28.
20 Jackson Willis (2T, 6G) v North Sydney, Ron Costello Oval – Rd 3, 2018. St George Illawarra won 44-18.
18 Blair Grant (1T, 7G) v Warriors, Netstrata Jubilee Stadium – Rd 23, 2019. St George Illawarra won 42-22.
18 Luke Gale (1T, 7G) v North Sydney, North Sydney Oval – Rd 7, 2019. St George Illawarra won 42-4.
18 Jackson Willis (1T, 7G) v North Sydney, North Sydney Oval – Rd 19, 2018. St George Illawarra won 46-16.

Most Goals in a Match
7
Blair Grant v Warriors, Netstrata Jubilee Stadium – Rd 23, 2019. St George Illawarra won 42-22.
Luke Gale v North Sydney, North Sydney Oval – Rd 7, 2019. St George Illawarra won 42-4.
7 Jackson Willis v North Sydney, North Sydney Oval – Rd 19, 2018. St George Illawarra won 46-16.
Luke Gale v Cronulla, PointsBet Stadium – Rd 22, 2019. St George Illawarra won 38-18.
6 Jackson Willis v North Sydney, Ron Costello Oval – Rd 3, 2018. St George Illawarra won 44-18.

Most Points for the Club
157 Blair Grant in 21 games (11T, 56G, 1FG)
133 Jackson Willis in 17 games (8T, 50G, 1FG)
114 Luke Gale in 32 games (12T, 33G)
114 Sam Hooper in 27 games (4T, 49G)
87 Treigh Stewart in 22 games (15T, 13G)

Biggest Winning Margins
50 50-0 v Manly, Michael Cronin Oval – Rd 6, 2019.
40 50-10 v Victoria, Ziems Park – Rd 23, 2022
38 42-4 v North Sydney, North Sydney Oval – Rd 7, 2019.
30 36-6 v Canterbury, Belmore Sports Ground – Rd 12, 2022.
30 46-16 v North Sydney, North Sydney Oval – Rd 19, 2018.

Biggest Losing Margins
34
4-38 v Cronulla, PointsBet Stadium – Rd 21, 2022.
32 12-44 v Parramatta, WIN Stadium – Rd 18, 2018.
24 18-42 v Sydney, Waverley Oval – Rd 7, 2021.
22 10-32 v Wests Tigers, Ziems Park – Rd 8, 2021.

Longest Winning Streaks
6 (Round 1, 2021 – Round 6, 2021)
5 (Round 11, 2022 – Round 15, 2022)

Longest Losing Streaks
6 (Round 20, 2018 – Finals Week 1, 2018)
(Round 16, 2019 – Round 20, 2019)

Junior Kangaroos
Zac Lomax (2018)

Junior Kiwis
Steven Marsters (2018)

NSW U20 Origin
Matheson Johns (2018), Jason Saab (2019)

Qld U20 Origin
2 Eddie Blacker (2019), Tristan Sailor (2018)

NSW U19 Origin
Jack Bostock (2022), Toby Couchman (2022), Jacob Webster (2022)

NSW U18 Origin
3
Mathew Feagai (2019), Max Feagai (2019), Jayden Sullivan (2019)

Australian Schoolboys
3
Mathew Feagai (2019), Max Feagai (2019), Brandon Morkos (2021)

Paul McGregor Trophy (Club Player of the Year)
2018 Matheson Johns
2019 Cody Ramsey

NRL Graduates
14 Eddie Blacker (2019), Mathew Feagai (2019-2020), Max Feagai (2019), Zac Lomax (2018), Steven Marsters (2018), Trent Peoples (2018), Cody Ramsey (2019), Jason Saab (2019), Tristan Sailor (2018), James Schiller (2020-2021), Aaron Schoupp (2019), Tyrell Sloan (2021), Jayden Sullivan (2019), Tyran Wishart (2018-2019)